On Mar 13, 2013, at 7:28 AM, Dmitri Gribenko <[email protected]> wrote: > On Wed, Mar 13, 2013 at 11:20 AM, Jean-Daniel Dupas > <[email protected]> wrote: >> >> Le 13 mars 2013 à 04:10, John McCall <[email protected]> a écrit : >> >>> Author: rjmccall >>> Date: Tue Mar 12 22:10:54 2013 >>> New Revision: 176924 >>> >>> URL: http://llvm.org/viewvc/llvm-project?rev=176924&view=rev >>> Log: >>> Tighten up the rules for precise lifetime and document >>> the requirements on the ARC optimizer. >>> >>> rdar://13407451 >>> >> >> … >> >>> + >>> + Specifically, ARC is sometimes permitted to optimize ``release`` >>> + operations in ways which might cause an object to be deallocated >>> + before it would otherwise be. Without this, it would be almost >>> + impossible to eliminate any ``retain``/``release`` pairs. For >>> + example, consider the following code: >>> + >>> + .. code-block:: objc >>> + id x = _ivar; >>> + [x foo]; >>> + >> >> For some reason, this code block does not appears in the generated html at >> "http://clang.llvm.org/docs/AutomaticReferenceCounting.html"; >> I'm not familiar with the rst format though, so I can tell you what is wrong >> here. > > Fixed in r176948.
Thanks! John. _______________________________________________ cfe-commits mailing list [email protected] http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
